Alcohols, Phenols and Ethers: MCQs Test – 2

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Topic: Alcohols, Phenols and Ethers, Test No.: 02, Total MCQs: 10

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Question 1

Consider the following reaction

C2H5OH + H2SO4  → Product

Among the following, which one cannot be formed as a product under any conditions?

A
Ethylene
B
Ethyl-hydrogen sulphate
C
Diethyl ether
D
Acetylene
Question 2
Denatured alcohol is
A
Rectified spirit + methanol + naphtha
B
Undistilled ethanol
C
Rectified spirit
D
Ethanol + methanol
Question 3
Ethyl chloride is converted into diethyl ether by
A
Perkin's reaction
B
Grignard reagent
C
Wurtz reaction
D
Williamson's synthesis
Question 4
Formation of diethyl ether from ethanol is based on a
A
dehydration reaction
B
dehydrogenation reaction
C
hydrogenation reaction
D
heterolytic fission reaction
Question 5
From amongst the following alcohols the one that would react fastest with conc. HCl and anhydrous ZnCl2, is
A
2-Methylpropan-2-ol
B
2-Butanol
C
1-Butanol
D
2-Methylpropanol
Question 6
In preparation of alkene from alcohol using Al2O3 which is effective factor:
A
Porosity of Al2O3
B
Temperature
C
Concentration
D
Surface area of Al2O3
Question 7

In the following sequence of reactions,

CH3CH2OHimage001

the compound ‘D’ is

A
butanal
B
n-butyl alcohol
C
n-propyl alcohol
D
propanal
Question 8
In Williamson's synthesis
A
an alcohol is heated with conc. H2SO4 at 140°C
B
an alkyl halide is treated with sodium
C
an alkyl halide is treated with sodium alkoxide
D
None of the above
Question 9
Methanol cannot be dried with anhydrous CaCl2 because
A
CaCl2 dissolves in it
B
it is not good dehydrating agent
C
it forms a solid CaCl2 × 4CH3OH
D
it reacts with CH3OH
Question 10
Methyl phenyl ether can be obtained by reacting
A
phenolate ions and methyl iodide
B
methoxide ions and bromobenzene
C
methanol and phenol
D
bromobenzene and methyl bromide
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